Description

2-Thiophenecarboxylicacid,Tetrahydro-4-Oxo-,Methylester(7Ci,9Ci) is a high-purity, specialized heterocyclic building block with significant synthetic utility. This compound is valued for its role as a key intermediate in the synthesis of complex molecules, particularly in pharmaceutical research and fine chemical manufacturing. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced material sectors seeking to introduce functionalized tetrahydrothiophene motifs into their target structures.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block for the synthesis of novel active pharmaceutical ingredients (APIs), especially those targeting central nervous system (CNS) and metabolic disorders.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic core for bioactivity.
• Organic Synthesis & Catalysis: Acts as a versatile precursor for ligands in asymmetric catalysis or for constructing complex molecular architectures in academic and industrial research.
• Material Science Research: Employed in the development of organic semiconductors, conductive polymers, and other advanced functional materials due to its electron-rich thiophene derivative structure.
• Custom Synthesis & Contract Manufacturing: A key starting material for custom synthesis projects and scale-up processes in fine chemical production.

Basic Information

Product Name	2-Thiophenecarboxylicacid,Tetrahydro-4-Oxo-,Methylester(7Ci,9Ci)
CAS No.	89533-78-8
Molecular Formula	C7H8O3S
Molecular Weight	172.20 g/mol
Synonyms	Methyl tetrahydro-4-oxo-2-thiophenecarboxylate; Methyl 4-oxotetrahydrothiophene-2-carboxylate; 4-Oxo-tetrahydro-thiophene-2-carboxylic acid methyl ester; Tetrahydro-4-oxo-2-thiophenecarboxylic acid methyl ester; 2-Thiophenecarboxylic acid, tetrahydro-4-oxo-, methyl ester; 89533-78-8; Methyl 4-oxothiolane-2-carboxylate
EINECS	Contact for details

Quality Control

Our 2-Thiophenecarboxylicacid,Tetrahydro-4-Oxo-,Methylester(7Ci,9Ci) is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and batch-to-batch consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider maintaining the material under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.